Analysis
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max time kernel
377s -
max time network
439s -
platform
windows10-1703_x64 -
resource
win10-20230220-en -
resource tags
arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system -
submitted
23-02-2023 10:34
Behavioral task
behavioral1
Sample
DHL_AWB_NO_#907853880911_pdf .exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
DHL_AWB_NO_#907853880911_pdf .exe
Resource
win7-20230220-en
Behavioral task
behavioral3
Sample
DHL_AWB_NO_#907853880911_pdf .exe
Resource
win10v2004-20230220-en
General
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Target
DHL_AWB_NO_#907853880911_pdf .exe
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Size
18KB
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MD5
16b03e4e5bc0ff1dbef3918cfad2b735
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SHA1
fcba7690aa8b5fd59530018117c9a23d1d9479d8
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SHA256
43b957e57a959571b4ee4dedf823b4122dd2774b1290daa5848a4ea830673124
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SHA512
99e5980733a2c1416e0cd5d498549ef6dbc1b52ecbb7c9fdcd828dc1f3c14e3f9fd80bece1e393ae1b87a8084936c2356e213cb0771d25fd3c68eabf13de0c79
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SSDEEP
192:HaTdQS53M58auD28GSALhtGfygJrBhIf3jdZ:6TuS53uuDV2LhtGfygJ8fTd
Malware Config
Extracted
purecrypter
http://45.84.1.117/3478/Uwdznaoe.png
Extracted
agenttesla
https://api.telegram.org/bot5846767138:AAHbrIUF1epdWlFQ2_64LCd8vdF121y1XGE/
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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PureCrypter
PureCrypter is a .NET malware loader first seen in early 2021.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB_NO_#907853880911_pdf .exe Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB_NO_#907853880911_pdf .exe Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB_NO_#907853880911_pdf .exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 5 api.ipify.org -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Suspicious behavior: EnumeratesProcesses 3 IoCs
pid Process 2652 powershell.exe 2652 powershell.exe 2652 powershell.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 2172 DHL_AWB_NO_#907853880911_pdf .exe Token: SeDebugPrivilege 2652 powershell.exe -
Suspicious use of WriteProcessMemory 3 IoCs
description pid Process procid_target PID 2172 wrote to memory of 2652 2172 DHL_AWB_NO_#907853880911_pdf .exe 66 PID 2172 wrote to memory of 2652 2172 DHL_AWB_NO_#907853880911_pdf .exe 66 PID 2172 wrote to memory of 2652 2172 DHL_AWB_NO_#907853880911_pdf .exe 66 -
outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB_NO_#907853880911_pdf .exe -
outlook_win_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-640001698-3754512395-3275565439-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 DHL_AWB_NO_#907853880911_pdf .exe
Processes
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C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO_#907853880911_pdf .exe"C:\Users\Admin\AppData\Local\Temp\DHL_AWB_NO_#907853880911_pdf .exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
- outlook_win_path
PID:2172 -
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ENC cwB0AGEAcgB0AC0AcwBsAGUAZQBwACAALQBzAGUAYwBvAG4AZABzACAAMgAwAA==2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2652
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1B
MD5c4ca4238a0b923820dcc509a6f75849b
SHA1356a192b7913b04c54574d18c28d46e6395428ab
SHA2566b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
SHA5124dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a